Xin làm giúp em câu a bài 1.4

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

To decrease an amount by 16% what single multiplier would you use

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x,and the distance in miles, y, that he travels.